Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Sep. 30, 2020

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Data

Quarterly financial data for the years ended September 30, 2020 and 2019 is summarized as follows: 

2020	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Operating revenues	$	19,785,453	$	22,437,731	$	11,071,918	$	9,780,289
Operating income (loss)	$	5,081,979	$	6,999,616	$	1,335,663	$	(899,076)
Net income (loss)	$	4,006,936	$	5,680,316	$	1,206,578	$	(329,296)
Earnings (loss) per share of common stock:
Basic	$	0.50	$	0.70	$	0.15	$	(0.04)
Diluted	$	0.49	$	0.70	$	0.15	$	(0.04)

2019	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Operating revenues	$	21,216,747	$	25,274,959	$	11,682,950	$	9,851,869
Operating income	$	3,264,222	$	6,203,483	$	1,637,057	$	490,702
Net income	$	2,434,162	$	4,670,090	$	1,138,555	$	455,605
Earnings per share of common stock:
Basic	$	0.30	$	0.58	$	0.14	$	0.06
Diluted	$	0.30	$	0.58	$	0.14	$	0.06